Suppose that R I and Rz are equivalence relations on the
Chapter 8, Problem 8.5.56(choose chapter or problem)
Suppose that R I and Rz are equivalence relations on the set S. Determine whether each of these combinations of RI and Rz must be an equivalence relation. a) RI U R2 b) RI n R2 c) R I tB R2
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